they're picking and winners and losers in giving tax credits to specific companies and trying to build clusters. what's the best way of thinking about industrial policy in the best way? >> one shot at the capital, which is we do have industrial policy in washington d.c. it's called real estate for your mortgage interest deduction and they decided to pick winners in the parley describes the consumption we had. but when you get to the local level on the question is, what is your choice of economic development policy? some cities over a period of time practice what i would call starbucks stadiums doing business. how quickly do we build the next convention center performing arts facility or sports stadium or do we try to throw money to bring across the border in many cases? or other alternative, can we strengthen our strength entreated sectors? a portion of our economy, 20, 25, 30% as everything else and that's what's been happening postrecession, particularly as we see if it is shell gas, the sense that an ipo to have a manufacturing moment. more importantly, business leaders, firms, univ